Nick Norwitz Profile picture
Jul 5 12 tweets 8 min read
If I went #vegan #keto for 3 weeks, do you think I’d still be #LMHR? @realDaveFeldman @siobhan_huggins @drscottyk @AlbertSyMD
1/ Okay, I'm putting a bow on this. And, short answer is... yes, the 37% have it. You can be on a 0 cholesterol #vegan #ketogenic diet and be #LMHR. Now for a debrief with some reflections. @realDaveFeldman @AlbertSyMD @siobhan_huggins @drscottyk ... Image
2/ First and foremost, what did my diet look like?

Vegan and w/o no coconut to maintain low sat fat % <15% total fat. These are data from a day of soy protein, 1/4c tahini, 1lb eggplant, 100g broccoli, 6 Tbsp EVOO, 4 Tbsp avo oil, 2 oz ea macadamia and pecans, 200g asparagus Image
3/ My net carbs definitely came up a bit. My ketones ran lower than usual, in ~0.3 - 0.7 mM range, whereas they are usually ~1 mM. IGained 3lbs in 2weeks, although I believe was eating slightly fewer kCal than normal (didn't track every day) so take that with a grain of salt Image
4/ I didn't feel horrible. Given my personal taste preferences, the diet itself actually didn't end up being that hard. I mostly missed fish and cheese. I quite enjoyed tahini on roasted eggplant with EVOO, actually. The main down side for me was that bathroom time increased
5/ As for my lipids, they did remain in the LMHR range. I had a midpoint check on cardiochek, that I shared with @realDaveFeldman IRT and it seems they were stable/increased from the midpoint (probably because my net carbs were highest week 1)... Image
6/ Now, one could argue many mechanisms and that a 2 week duration is not enough time, but it appears to be the higher end of standard for Twitter n=1 LMHR adventures, if you've been following (nb: said 3w in the poll, but the 3 was a typo. 2 was always intended)
7/ And one could also argue that I'm an outlier and something "hand wavy"/genetics/microbiome is at play in me specifically. Maybe so, but even anecdotal data should be explicable and, as it stands IMHO, the #LEM is the only model that can explain these results...
8/ Being particularly lean, fat-adapted, with high energy demands, I was the ideal candidate to attempt this expt and do not think any current #LMHR would necessarily have the same results. LEM doesn't exclude other modifying contributions, e.g. sat fat; however, point remains... Image
9/ It appears to be possible to be #vegan #keto #LMHR ... which I can't explain any other way than the LEM. Of if you haven't been following, I can get my LDL MUCH lower eating more sat fat and cholesterol if I simply include carbs. My lowest was 70mg/dl with ~100g net carbs
10/ Anyway, putting the bow on this one

I was on the fence about whether to sensationalize it in a new post and thread (would have been cathartic)

But, honestly, I don't want to fan the fire of the n=1 LEM war after recent events. So...
11/ ... I put this out there on the DL to follow-up w/ those who are deeply interested, but I would ask this not be used as cannon fodder. Instead, let's wait for the research to properly evolve... cuz it's coming... quickly. Stay curious.

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More from @nicknorwitz

Jul 9
💩Another Weekend Paper Talk 8 min! 💩
This 1 about New 2022 research on 2... FIBER
👉 Impact of *specific* fibers in human subjects

👉 One fiber, but not other, lowers #Cholesterol

👉 High dose inulin fiber can cause inflammation🔥

VIDEO 👉👉
2/ 2:45 I talk about how 30g inulin/d can increase inflammatory markers and markers of liver damage, here are those data. Look at the pink arrows and I explain what's going on.
3/ At 3:38 I discuss how Arabinoxylan fiber specifically, but not inulin fiber lowers LDL #cholesterol. You can see that very clearly here as the red line represents a plummeting of LDL vs. green line no real change. They are both fibers, but differentially impact lipids
Read 6 tweets
Jul 6
🚨1/ New Study shows SARSCoV2 reprograms fat metabolism 🚨
#Covid_19 #metabolism

⬆️ Triglycerides

⬆️ PUFA ⬇️ Saturated fat

Blockade❌of fat synthesis blocks viral production
nature.com/articles/s4146…
2/ For a more detail...

Lipids & associated proteins have previously been identified as biomarkers of infection, including VLDL, HDL and various apolipoproteins, while both TAG and (serum) PUFA have been implicated as markers of severe disease outcomes

But what this paper adds
3/ Is an investigation (using mostly HEK293T-ACE2 and A549-ACE2 cells) of how the virus alters the lipidome and the importance of these changes in viral proliferation ... They found virus ⬆️TAGs, and PUFA chains were 2-8-fold more than saturated or monounsaturated species ...
Read 6 tweets
Jun 25
🚨 #LeanMassHyperResponder lowers LDL 🚨
#LEM #LMHR

1/ First off, this thread is long with lots of nuance.

But here’s the bottom line:

👉 I dropped my #LDL by over 400 mg/dL
👉 Previously ~500
👉 Now it is under 100

(Yes, you read that correctly)

Here’s how I did it… Image
2/ The method was quite simple:

Add in some carbs.

This shouldn’t be a news flash for anyone following our work on the Lipid Energy Model

We published on this intervention with the #LMHRpaper case series here: doi.org/10.1093/cdn/nz…
3/ I’m an example of an LMHR that eats a relatively low saturated fat diet at baseline. Even when >80% of my fat intake is MUFA/PUFA, my LDL can run >500. Thus, it’s not simply the sat fat. Even when fiber intake has been >30g with net carbs <30g, my LDL can easily run >350 Image
Read 19 tweets
Jun 4
Thread! Can you be #LMHR and not "lean?!"

1/ This ??? has come up before, can you be LMHR and not actually lean. Here is a good case!

Individual meets all criteria for LMHR, but BMI 27. So, by the formal definition, the answer is simply, "yes." But let's discuss the nuance... Image
2/ First, let's again redefine what an LMHR is: >=200mg/dl LDL, >=80mg/dL HDL, >= 70mg/dl TG. That's it. BMI is not part of the definition. The term, "LMHR" is historic based on the general pattern that persons who have this profile TEND to be lean and/or athletic, but ...
3/ That's not a hard and fast rule. So, one could fairly argue the term isn't perfectly descriptive, re "LEAN". This is nothing special -- it's just language. I could come up with any number of examples of imperfect terms, Syndrome X, Aplastic anemia, etc. And it well may be...
Read 7 tweets
May 21
WOW! >300 retweets in first 24 hours!

1/ Now for a thread from the first author on the #LEM Paper:
👉What it IS
👉What it ISN'T
👉👉and What's NEXT...
doi.org/10.3390/metabo…

Read on... @realDaveFeldman
2/ What it IS:
We provide the first description of the long-awaited #LEM hypothesis, a model that attempts to explain:

(i) the inverse association between BMI and LDL-C on #lowcarb diets

(ii) the #LMHR phenotype, in which lean people on low carb exhibit very ⬆️LDL-C⬆️HDL-C⬇️TG
3/ These phenomena, presently, have no complete competing explanation:

If effect were purely genetic, the🧬s would need 2explain:
>how macronutrient change can alter, not just LDL-C, but HDL-C+TG as part of a triad
>correlation between BMI and lipid changes

That's a tall order
Read 9 tweets
Apr 30
1/ Ex-type 2 diabetic - and my bud JJJ - sharing how he dropped HbA1c from 12 to 5.5 in 6 months on #Keto and came off meds at a patient panel for med students. Loving life, eating well! @minhal_ahmed @goutamgadiraju @MarkCzeisler @camitussie #metabolism #diabetes #foodismedicine
2/ Want to thank @ChrisPalmerMD @DoctorTro @BrianLenzkes @LowCarbEyeDoc @russwinn66 @StickmanBleedin @BiggestComeback for sharing as well. I believe @LCMDPodcast may release the full recording at some point. Also, want to thank my amazing peers for expressing interest in using
3/ Lifestyle and proper human nutrition to reverse metabolic disease. I know how hard we all work at school and that this is an above and beyond effort and I'm so appreciative that I'm not alone in being passionate about actually addressing the root causes of disease...
Read 4 tweets

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